Combination lock



Patented Mayv 19, 1925.

UNrreD STATES lParser orriclz.-

THOMAS'JOSEFH FLEURY, 0F TORONTO, ONTARIO, CANADA.

l y coivmrnarron Locri.V

application inea March 5, i923. ser'iai No. 623,043.

To all whom t may'concern;

Be it knownthat I, THOMAS JOSEPH FLEURY,`a ysubject of the King oflGreat Britain, andr ay resident of the city` of Toronto, in the county of York, in the Province of Ontario, Canada,haveinvented certain newv` and usefullinprovements in Combination4 Locks, of 4which the following is ythe specification. s c

My invention relatesto 'improvements 1n combination locks Vand the object of theinvcntio'n is to devise 'a kkeyless lock applicable to doors, which providedthe combination is known, ic'an be opened from the outside with the minimum of-trouble. Afurther object is to'devise meanswhere by byv the turning of the knob( in the reverse direction to the direction for the'opening of the door, the'lo'ck will be'reset.

A still further object is to devise vmeans whereby the bolt canbe k*freed to operate as.`

alatch. Y i Another' objectisto devise meansforjpreu venting the lock lbeing picked, and another Aobject is to devise means wherebythe combination can. be readily changed without having to take the lock apart.

My inventlonconslsts ofa combination i lock constructed andy arrangedvall as herelatch actuating means.

Fig. 6 is an elevational detail of aportion of the inside of a door showing the means y for putting the lock on the latch and free-A ing the bolt so as. to operate as'ailatcli.

Like characters of reference indicate corn v res ondinr varts in the different views.V

1 is the door which is provided with a rebate 2 extending inwardly -,from ,its outside face and adapted vto receivey the lock case 3 which is provided `.with a cover 4 f secured thereto and held vinplace by means l of the screw extending through the cover plate intothe post 6,. kis a4 plate applied to the lower pawl 15. c hamber situated in the vicinity of the lower fthe outside face of the door and covering the exposed cover. plate 4 of the lock case, said plate being held in place by means of the bolts 8 which extend through the door and are provided at their inner ends with the nuts 9. f v

10 is the knob spindle which extends through 'the door, lock. case, coverV plate and plate 7 and `is provided with thek outer and 'inner knobs 11 and 12.

l The spindle 10 is preferably of the ordinary rectangular cross section and extends through the pawl mernber 13 situated in thelock case, said pawl member 13 having the upper pawl 14 and 16 isa bolt receiving end of the lock case 8 and having the orifice 17 in the exposed face of such casing. 19

is the bolt, slidable in the chamber 16, said bolt having a cut-away upper portion 20 in the vicinity kof its rear end adapted to receive the spring 21, the ends of which engage respectively the rear wallof the cutaway lportion of the boltand the'rear wall of the bolt receiving chamber 16.` The rear wall Vof the chamber 16 has an orice 22 positionedin the vicinity of the bottom thereof,

through which the rear end ofthe bolt freely extends. y y

. 23 `is `a lever pivotally mounted intermediately of its length Vby means of the pin 24 inv the lock casing 3. yThe lower end of the l'ever'23 is pivotally connected to the link25 which is slidably connected to .the rear end of the bolt 19. 26 is a forwardly yextendingpush arm pivotally connected to the upper end of the lever 23 and normally adapted to rest on the partition 27 formed in the lock case 3. 2 8 is an indenture in the partition `adapted to receive the offset end 29k of the spindle 30 which extends inwardly through the lock casing and through the door, its inner end extending freely. through rthe plate 31 secured to the inside face of the 32 is a knob provided on the inner door. end of the spindle 30 and having'an offset arm 33 adapted to engage the respective indentures 34 insuch plate. '35 is a spiral spring freely mountedon. the spindle 30, its

outer endv adapted to engage the collarfSt secured to such spindle and its inner end engaging the outer face of the pla-te 31.y

37 are a plurality of vertical plates free ly positioned in the casing side by side and each having a forwardly extending slot 38. The rear face of each plate 3,7.'is provided with a rack 39. Ll() are a plurality ot disc members Jivota-lly mounted on the spindle 4.1 securec in position in the lock case l2 are tangential-ly extending portions formed on the discs 40, said portions y42 being differently positioned for each disc, such portions 42 carrying the outwardly extending operating knobs 413 which extend `through vertical slots 14 in the cover plate ot the look case and into the stamped out portion ot theouter plate 7.

16 are depending dogs pivotally con nected` to radially Aextending vlugs 4T on the dises 40. 8^ are tension springs, each se- Icured at one end to the upper end ot the A(idrresponding dog and at'the other end to the upwardly extending lug 19 on the disc 4:0. The lower end of veach dog is provided with `aftooth 5,0 which is adapted to engage therespective teeth vof the ratchet 39 ot the corresponding plate 37.

51 is a slide freely mounted in the lock case v3 on lthe stud 52, saidslide being capable of `forward and rearward movement with respect thereto and its forward en d `eonneeted"by Ethe links .to ,the lower `ends of lthe dogs 6. 41 aiea plurality ot'pawls pivotally moiinted on ythe spindle 55 which is vsecured in position in the lock case 3, each of said pawls being provided on its upper errd with a vtooth '56 adapted to engagetlie respeetive teeth ot the corresponding plate 37." The lower ends of the pawls '541 are reoiinected by means of the tension springs157y .with the posts 58 tormedon the upper end of the bolt chamber 16. 5,9 are links connecting the upper ends of the pawls 54 with the forward end oit' the slide 51.

6.0 is al plate hinged to the lever 23 in ,the vicinity ot its upper end and adapted to extend yover .the portions 42 ,ot the discs it() in orderto preif'en't a wireor other tool inserted into the slots #il and up between |the' i.)ortions `agvgjain-st the arni 26 which would permit suoli varm to be raised ,and the doorto'be opened, as will hereinafter appear. i

l' The lock case 3 is provided with an upwardly extending extension ,G1 with the vertical ,orifice therethrough to permit vertical inoyeinent Kof the plates 37 thereinto;

"63 is a screw extending through the plate 7, tlironglitlre lrole Gl'iny the wall of the casing 3 and'into .the wood of the door.

The operation of my device is las follows:

lgVlren the door is to be latched instead ot locked, this ,operation is achieved by turniiig the spindle 30' byineans of the knob 32 into. such position that its offset end`29 raises the .arin`26, as' is illustrated in dotted lines in Figure 2 a d' wherein the vextremity olfv the avrmfis in the vertical position, by turning the knob 11 in a Counter- ClockwisediiectiopV i,tiwill be Vseen that the pawl member 15 will be partially rotated into engagement -with ,the lower end ot the lever 23 which will be pushed rearwardly thus drawing` in the bolt 19 against the. action ot the spring 21 and as the upper end of the lever 23 moves -torwardly a corresponding extent the arm 2G will be permitted to be pushed forwardly thereby above the respective plates 37. This permits the bolt to be withdrawn the full extent and the door to `be opened.

When the door is locked the knob 32 is turned so that the arm 3 3 lies substantially horizontal wherein the offset end 29 ot the spindle 30 will be in the position illustrated in lfull lines in Figure 2 of the drawing, lying in the indenture 2S in the partition 27. rlhis will"perinit'the arm 2G `to rest ,on such partition and it an attempt is ymade to rotate the spindle 10 by means of the knob I11 or fact by either knob, such knob it rotated in an anti-clockwise direction will merely aetuate the lever 23 and the arm 26 until such tree end oi' the arm cornes into `contact with the plates 37 which will not permit the withdrawal of the bolt 19.

To unlock the door the knobs L3 are actuated', depending uponl the particular conibination or arrangement of the plates 3T, it being understood that when a knob 43 is depressed, its attached disc lO will be partiallyrotated and yco'nsequently the -oonnecsted slin'ingheld ydog (S'will be moved upwardlyand .as such dog is in engagement with a tooth of therack y39 of the corres `non ding plate 37, suoli plate will be moved up oneI tooth by each operation of a knob 423, the `spring-held pawl preventing retrograde nioveinent of the liited plato on release ot the knob. lVhen such knob is released into its uppermost position the tooth 5,() of l,the dog slides down onto the next tooth ot the rack 39 of such plate. Owing to the ldrilierent ].iosition ot the slots in tie respective plates it will be seen thatI within limits, any desired combination can be achievedithus for instance it can be arranged so that the knob is only operated. once, the secondtwice, and the third three times and the fourth, tour times, in lwhich case it would take the corresponding number of operations to bring up any particular plate 37 so that its slot registers with' the slots in the other plates.' lVhen the plates are moved up into such position that the slots all register,such slots will be opposite tliearin 2G landby means ot the knob 11, andthe lever .23, such arm can beactuated so that its free end enters the lregistering slots ISS, thusY permitting thc bolt 19 to bes withdrawn the full extent and the door ,Qpllelir l '.lo reset the lock it is only necessary to rotate the knob 1 1 .oi-'spindle 10 in the reverse 7direct-ion to the actuating direction.

lill) plates 37 to fall into their initial position,

which is illustrated in Figure 2.

It will be apparent that even without substituting new plates 37 the combination can be changed by merely removing the lock and changing over the respective plates.

From the above description it will be seen that vI have devised a simple 'and effective combination lock for use with doors, particularly the `frontdoors on houses and other buildings, which will obviate the necessity of a key and which can be actuated by merely operating the respective knobs 43 to achieve the desired combination.

What I claim as my invention is:

l. In a combination lock,'the combination with a casing door knob and door knob shank extending through the casing, of a series of independently movable parallel plates, a bolt guided in the casing, an operating lever pivoted in the casing and linked to the bolt at one end, a push arm pivotally connected to the opposite end of the lever, means for independently adjusting the plates vertically located between .the door knob shank and push arm, and a `series of movable knobs located exteriorly or' the casing for independently' `Operating each oi.Fl such individual plate adjusting means.

2. In a combination lock,- the comb-ination with the bolt and door knob ofconnecting means between the knob andbolt for actuating the latter, kmanually operable vselective combination means for permitting the actuation. of the bolt by the knob, said means normally preventing such actuation, and `means actuated by the rotation of the door knobs 'in the reverse direction for resetting the selective combination means.'

In a combination lock, a lock case, a slidable bolt therein, a doorknob spindle, a door knob thereon, a lever pivoted inter-` mediately of its length in the casing and having one end connected to the bolt, means for actuating the lever from the ldoor knob Spindle, a forwardly directed arm connected to the other end of the lever, a plurality of independent vertically slidable plates arranged side by side in the lock case, each of said plates having a cross slot therein dis-v posed at a dilierent height tothe slots in lthe adjacent plates, and manually operable selective means for` independently actuating the plates in a vertical direction t0 bring the respective slots into register.

, ,4.v In a combination lock, a lock case, a slidable bolt therein, a door knob spindle, a door knob thereon, a lever pivoted interf mediately of its length in the casing and having one end connected to the bolt, means for actuating the lever from the door knob spindle, a forwardly directed arm connected to the other end of the lever, a plurality of independent vertically slidable plates arranged side by side in the lock case, each of said plates having a cross slot therein disposed at a different height to the slots in the adjacent plates, manually operable selective means for independently actuating the plates in a vertical direction to bring the respective kSlots -into register, and independent -manually operable means for raising the arm out of engagement with the plates when the latter are in the normal or locking position.

n 5. In a combination lock, a lock case, a slidabley bolt therein, a door knob spindle, a door knob thereon, a lever pivoted intermediately of its length in the casing and having one end connected to the bolt, means for actuating the lever from the door knob spindle, a forwardly directed arm connected to the other end of the lever, a plurality of independent vertically slidable plates arranged side by side in the lock case, a rack on each'of the plates, a plurality of independent members pivoted in the lock casing, operating knobs on the members, springheld dogs pivoted on each of the members engaging the rack on the corresponding plate, a plurality of spring-held pawls pivot? ed in the lock casing and engaging the racks on the plates, and means actuated Aby vthe rotationof the door knob in the reverse direction for` releasing the dogs and pawls from the respective racks. f

THOMAS JOSEPH FLEURY. 

